There is no scientific evidence to support the idea that a black hole orbiting a planet could indicate an advanced alien civilization. A few key points:
Planets cannot orbit black holes in the way suggested. For a planet to remain intact, it would need to orbit at a distance far beyond the black hole's event horizon and accretion disk. At such distances, the black hole's gravitational influence would be negligible.
The presence of a black hole alone does not provide a viable energy source for life. While black holes are extremely luminous, the radiation environment close enough to sustain liquid water would be too extreme for known life forms.
Primordial black holes, if they exist, are not massive enough to significantly perturb planetary orbits in our solar system. Any effects would be far too small to detect with current methods.
Astronomers have not observed any convincing examples of black holes orbiting planets or other stars. Such systems would be extremely rare and difficult to detect even with our best telescopes.
In summary, while speculative, the idea of a black hole orbiting a planet as a sign of an advanced alien civilization is not supported by our current scientific understanding of black holes, planetary systems, and the requirements for life
Extraordinary claims require extraordinary evidence, and this particular hypothesis falls far short of that bar based on the available scientific data.
LIKE SHARE SAVE